206  
FZUS54 KHGX 241117  
CWFHGX  
 
COASTAL WATERS FORECAST FOR TEXAS  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
617 AM CDT FRI OCT 24 2025  
 
UPPER TEXAS COASTAL WATERS FROM HIGH ISLAND TO THE MATAGORDA SHIP  
CHANNEL OUT 60 NAUTICAL MILES INCLUDING GALVESTON AND MATAGORDA  
BAYS.  
 
SEAS ARE PROVIDED AS A RANGE OF THE AVERAGE HEIGHT OF THE HIGHEST  
1/3 OF THE WAVES...ALONG WITH THE OCCASIONAL HEIGHT OF THE  
AVERAGE HIGHEST 10 PERCENT OF THE WAVES.  
 
GMZ300-250015-  
617 AM CDT FRI OCT 24 2025  
 
.SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60 NM  
INCLUDING GALVESTON AND MATAGORDA BAYS.  
 
SMALL CRAFT SHOULD EXERCISE THROUGH FRIDAY AFTERNOON AS SOUTHEASTERLY  
WINDS INCREASE TO 15 TO 20 KNOTS. WIND SPEEDS ARE EXPECTED TO  
FURTHER INCREASE LATE FRIDAY INTO SATURDAY ALONG WITH BUILDING  
SEAS, SO SMALL CRAFT ADVISORIES ARE IN EFFECT FRIDAY EVENING  
THROUGH SATURDAY AFTERNOON. LINGERING ELEVATED SEAS WILL BE  
POSSIBLE THROUGH SUNDAY AFTERNOON, SO THE ADVISORY MAY BE EXTENDED  
THROUGH THEN FOR THE GULF WATERS. INCREASED WATER LEVELS ARE  
EXPECTED DURING TIMES OF HIGH TIDES DUE TO THESE STRONG ONSHORE  
WINDS. ISOLATED TO SCATTERED SHOWERS AND STORMS WILL BE POSSIBLE  
FRIDAY AFTERNOON, BUT A ROBUST STORM SYSTEM WILL BE MOVING THROUGH  
THE COASTAL WATERS SATURDAY INTO SUNDAY MORNING BRINGING  
WIDESPREAD SHOWERS AND THUNDERSTORMS. LOCALLY HEAVY RAINFALL AND  
STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE.  
 

 
 
GMZ335-250015-  
GALVESTON BAY-  
617 AM CDT FRI OCT 24 2025  
 
...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT THROUGH THIS  
EVENING...  
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH  
SATURDAY EVENING...  
   
TODAY
 
SOUTHEAST WINDS AROUND 15 KNOTS, INCREASING TO 15 TO  
20 KNOTS LATE. BAY WATERS SLIGHTLY CHOPPY, INCREASING TO CHOPPY  
LATE. A CHANCE OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON.    
TONIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO  
25 KNOTS. BAY WATERS CHOPPY. A CHANCE OF THUNDERSTORMS. A CHANCE  
OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.    
SATURDAY
 
SOUTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO  
25 KNOTS. BAY WATERS CHOPPY. SHOWERS. THUNDERSTORMS LIKELY,  
MAINLY IN THE MORNING.    
SATURDAY NIGHT
 
SOUTH WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY.  
SHOWERS WITH THUNDERSTORMS LIKELY.    
SUNDAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO  
20 KNOTS, DIMINISHING TO AROUND 10 KNOTS IN THE AFTERNOON. BAY  
WATERS SLIGHTLY CHOPPY, DIMINISHING TO SMOOTH IN THE AFTERNOON. A  
CHANCE OF SHOWERS IN THE MORNING.    
SUNDAY NIGHT
 
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
MONDAY
 
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
MONDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY  
CHOPPY.    
TUESDAY
 
EAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY CHOPPY.   
TUESDAY NIGHT
 
WEST WINDS AROUND 15 KNOTS, BECOMING NORTH 15 TO  
20 KNOTS AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY, INCREASING  
TO CHOPPY AFTER MIDNIGHT.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
GMZ330-250015-  
MATAGORDA BAY-  
617 AM CDT FRI OCT 24 2025  
 
...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT THROUGH THIS  
EVENING...  
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH  
SATURDAY EVENING...  
   
TODAY
 
SOUTHEAST WINDS AROUND 15 KNOTS, INCREASING TO 15 TO  
20 KNOTS LATE. BAY WATERS SLIGHTLY CHOPPY, INCREASING TO CHOPPY  
LATE. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS UNTIL  
LATE AFTERNOON, THEN A CHANCE OF THUNDERSTORMS LATE.    
TONIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO  
25 KNOTS. BAY WATERS CHOPPY. A CHANCE OF THUNDERSTORMS. A CHANCE  
OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.    
SATURDAY
 
SOUTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO  
25 KNOTS. BAY WATERS CHOPPY. THUNDERSTORMS LIKELY. SHOWERS.   
SATURDAY NIGHT
 
SOUTH WINDS 15 TO 20 KNOTS WITH GUSTS UP TO  
25 KNOTS. BAY WATERS CHOPPY. A CHANCE OF THUNDERSTORMS. SHOWERS.   
SUNDAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY  
CHOPPY. A CHANCE OF SHOWERS IN THE MORNING.    
SUNDAY NIGHT
 
SOUTHEAST WINDS AROUND 10 KNOTS. BAY WATERS  
SMOOTH TO SLIGHTLY CHOPPY.    
MONDAY
 
SOUTH WINDS AROUND 10 KNOTS. BAY WATERS SMOOTH TO  
SLIGHTLY CHOPPY.    
MONDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS  
SLIGHTLY CHOPPY.    
TUESDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY  
CHOPPY.    
TUESDAY NIGHT
 
NORTHEAST WINDS AROUND 15 KNOTS, BECOMING NORTH  
AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY, INCREASING TO CHOPPY  
AFTER MIDNIGHT.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
GMZ350-355-250015-  
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT  
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM-  
617 AM CDT FRI OCT 24 2025  
 
...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT THROUGH THIS  
EVENING...  
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH  
SATURDAY EVENING...  
   
TODAY
 
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 4 FEET. WAVE  
DETAIL: SOUTHEAST 4 FEET AT 5 SECONDS. A CHANCE OF SHOWERS. A  
SLIGHT CHANCE OF THUNDERSTORMS THIS MORNING, THEN A CHANCE OF  
THUNDERSTORMS THIS AFTERNOON.    
TONIGHT
 
SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 4 TO 6 FEET,  
OCCASIONALLY TO 8 FEET. WAVE DETAIL: SOUTHEAST 6 FEET AT  
6 SECONDS. A CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS.    
SATURDAY
 
SOUTHEAST WINDS 20 TO 25 KNOTS, BECOMING SOUTH AROUND  
20 KNOTS IN THE AFTERNOON. SEAS 4 TO 6 FEET, OCCASIONALLY TO  
8 FEET. WAVE DETAIL: SOUTHEAST 6 FEET AT 6 SECONDS. SHOWERS WITH  
A CHANCE OF THUNDERSTORMS.    
SATURDAY NIGHT
 
SOUTH WINDS 15 TO 20 KNOTS WITH GUSTS UP TO  
25 KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL:  
SOUTHEAST 4 FEET AT 6 SECONDS. SHOWERS WITH A CHANCE OF  
THUNDERSTORMS.    
SUNDAY
 
SOUTHWEST WINDS 15 TO 20 KNOTS, DIMINISHING TO AROUND  
15 KNOTS IN THE AFTERNOON. SEAS 3 TO 5 FEET. WAVE DETAIL:  
SOUTHEAST 3 FEET AT 7 SECONDS. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING.    
SUNDAY NIGHT
 
SOUTH WINDS AROUND 10 KNOTS. SEAS 2 TO 4 FEET.  
WAVE DETAIL: SOUTHEAST 3 FEET AT 7 SECONDS.    
MONDAY
 
SOUTH WINDS AROUND 10 KNOTS. SEAS 2 TO 4 FEET.    
MONDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.   
TUESDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING EAST IN THE  
AFTERNOON. SEAS 2 TO 4 FEET.    
TUESDAY NIGHT
 
NORTH WINDS AROUND 20 KNOTS, INCREASING TO 20 TO  
25 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
GMZ370-375-250015-  
WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX FROM 20 TO  
60 NM-WATERS FROM HIGH ISLAND TO FREEPORT TX FROM 20 TO 60 NM-  
617 AM CDT FRI OCT 24 2025  
 
...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT THROUGH THIS  
EVENING...  
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH  
SATURDAY EVENING...  
   
TODAY
 
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS AROUND 4 FEET. WAVE  
DETAIL: SOUTHEAST 4 FEET AT 5 SECONDS. A CHANCE OF SHOWERS WITH A  
SLIGHT CHANCE OF THUNDERSTORMS THIS MORNING, THEN SHOWERS LIKELY  
WITH A CHANCE OF THUNDERSTORMS THIS AFTERNOON.    
TONIGHT
 
SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 4 TO 6 FEET,  
OCCASIONALLY TO 8 FEET. WAVE DETAIL: SOUTHEAST 5 FEET AT  
5 SECONDS. A CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS, MAINLY  
IN THE EVENING.    
SATURDAY
 
SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS AROUND 6 FEET,  
OCCASIONALLY TO 8 FEET. WAVE DETAIL: SOUTHEAST 5 FEET AT  
6 SECONDS. A CHANCE OF THUNDERSTORMS. SHOWERS LIKELY.    
SATURDAY NIGHT
 
SOUTH WINDS AROUND 20 KNOTS WITH GUSTS UP TO  
25 KNOTS. SEAS 5 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL:  
SOUTHEAST 5 FEET AT 7 SECONDS. A CHANCE OF THUNDERSTORMS.  
SHOWERS.   
SUNDAY
 
SOUTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO  
25 KNOTS, DIMINISHING TO AROUND 15 KNOTS IN THE AFTERNOON. SEAS  
4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL: SOUTHEAST  
3 FEET AT 7 SECONDS. SHOWERS LIKELY WITH A CHANCE OF  
THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF SHOWERS IN THE  
AFTERNOON.    
SUNDAY NIGHT
 
SOUTH WINDS AROUND 10 KNOTS. SEAS 4 TO 5 FEET.  
WAVE DETAIL: SOUTHEAST 3 FEET AT 8 SECONDS.    
MONDAY
 
SOUTH WINDS AROUND 10 KNOTS. SEAS 3 TO 4 FEET.    
MONDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.   
TUESDAY
 
SOUTH WINDS 10 TO 15 KNOTS, BECOMING NORTHEAST IN THE  
AFTERNOON. SEAS 3 TO 4 FEET.    
TUESDAY NIGHT
 
NORTHEAST WINDS AROUND 20 KNOTS, BECOMING NORTH  
20 TO 25 KNOTS AFTER MIDNIGHT. SEAS AROUND 3 FEET.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
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